网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The lubricating oil is pumped from the drain tank, very often with （） in the suction line.
A
a filter
B
a strainer
C
a magnetic filter
D
a fine strainer
参考答案
参考解析
解析：
暂无解析
更多 “单选题The lubricating oil is pumped from the drain tank, very often with （） in the suction line.A a filterB a strainerC a magnetic filterD a fine strainer” 相关考题
考题
In the following statements about the principle of the low level controlling, which is WRONG? 0
A.Low level is monitored on the drain tank and header tank.B.If there is high differential the filters pressure across the circulatingpumps is alarmedC.The lubricating oil purifier cannot take oil from the drain tankD.If the sea water pressure falls, this also operates an alarm
考题
( )is monitored on the drain tank and header tank by magnetic switches with a 20seconds delay to prevent false alarms due to surging
A.Low pressure of the lubricating oilB.Low level of the lubricating oilC.High temperature of the lubricating oilD.High temperature of the cooling water
考题
Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?A.Corrosion and eventual failure of the tankB.Gumming of the tank relief valvesC.Immediate failure of components downstream of the compressed air systemD.Boiling of the water oil mixture as pressure is reduced
考题
Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.A.over-speed tripB.audible/visual alarmC.the ships/boats general alarmD.reserve oil storage tank
考题
When the steering gear is in operation, you should ______.A.check hydraulic oil levels every hourB.check the rams for overheatingC.check for excessive oil leakage from ramsD.drain water from tele-motor cylinders each watch
考题
You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumpsB.Stripped to one tank and then pumped out with the main pumpsC.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumpsD.Gravitated to the centers from the wings and pumped out with the main pumps
考题
单选题In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A
a service tankB
a settling tankC
an expansion tankD
a double bottom tank
考题
单选题In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A
a service tankB
a collecting tankC
a sumpD
a settling tank
考题
单选题Fuel oil tank vents are fitted with a screen which will stop（）.A
oil from flowing out of the tank ventB
air from entering the tank ventC
vapors from leaving the tank ventD
flames on deck from entering the tank vent
考题
单选题The amount of lubricating oil in the drain tank should be checked by （）.A
measuringB
sounding rodC
meteringD
weighting
考题
单选题Which of the following will be the function of lubricating oil used in marine engines?（）A
to remove heat from oil cooled pistonsB
to wash away wear detritusC
to neutralize acidic productsD
all of the above
考题
单选题（） is arranged for cleaning the lubricating oil in the system and clean oil can be provided from a storage tank.A
A filterB
A centrifugeC
A distillerD
A generator
考题
单选题To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）A
bilge tankB
sludge tankC
overflow tankD
oil collecting tank
考题
单选题Moisture is removed from a refrigeration system by（）.A
bleeding refrigerant from the condenserB
opening a drain petcock on the oil separatorC
condensing the water in the heat exchangerD
using a dehydrator cartridge
考题
单选题The oil was pumped up in the settle tank such a height that it （）.A
spilledB
overflowedC
sprayedD
injected
考题
单选题Lubricating oil for an engine is stored at the bottom of the （）, known as the sump or in a drain tank located beneath the engine.A
sea cheatB
air receiverC
crankcaseD
water box
考题
单选题The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.A
contaminating waterB
contaminated additivesC
contaminated fuelD
contaminating impurities
考题
单选题Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.A
overspeed tripB
audible/visual alarmC
the ships/boats general alarmD
reserve oil storage tank
考题
单选题The cylinder oil is pumped into the cylinder (via non-return valves) when the piston rings pass the lubricating orifices during （）A
the upward strokeB
the downward strokeC
the power strokeD
the suction stroke
考题
单选题Fuel oil is pumped by means of （） from the bunker tanks.A
a transfer pumpB
a bilge pumpC
a service pumpD
a vacuum pump
考题
单选题If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.A
stop the flow of oil at the main deck manifoldB
prevent the oil from leaving the shore facilityC
prevent the oil from siphoning through the pumpD
None of the above
考题
单选题Engine coolant accumulating in the diesel engine lubricating oil can result from a （）A
low oil pressureB
high coolant pressureC
leaking fuel injectorD
cracked cylinder head or liner
考题
单选题The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system （）.A
doesnt use a drain tank but a head tankB
uses a drain tank not head tankC
uses a drain tank and a head tankD
uses neither a drain tank nor a head tank
考题
单选题（） providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.A
Except forB
BesideC
ExceptD
In addition to
考题
单选题Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?（）A
Corrosion and eventual failure of the tankB
Gumming of the tank relief valvesC
Immediate failure of components downstream of the compressed air systemD
Boiling of the water oil mixture as pressure is reduced
考题
单选题The cleaned heated oil, after passing through the centrifuges, is to be pumped to a （）.A
settling tankB
service tankC
ballast tankD
drain tank
考题
单选题The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.A
a strain tankB
a head tankC
a service tankD
a strainer
热门标签
最新试卷
